• MIDRANGE THAT HANDLES IT ALL - A mid-range driver that can answer the call to handle the most significant part of the audible sound spectrum. A speaker that sounds great with just instrumentals and, even better with vocals.
• POWER YOU CAN COUNT ON - DS-PRO-84XA delivers an impressive 550W Max Power with 275W RMS at 4 Ohms, enough to tackle a full range of audio.
• 4 Channel EXL-P800X4 has Remote Bass Knob and Latest SMC and MOSFET Technology
• Lightweight amplifier design that retains very high durability with incorporated high efficiency heat sync.
• TOP OF THE LINE TWEETERS - Professional grade super tweeters that can handle high frequencies with ease. DS18 meticulously designed these tweeters to sound as good as they look.

DS18 4x 4 Ohm 8" Loud Car Speakers + 2x Tweeters + 4 Channel Korean Amp Package

This listing includes:

• (4) DS18 Special Edition 8" Midrange 4 Ohm 550W Loud Car Speaker PRO-84XA


• (2) DS18 1" Black 240W 4 Ohm Pro Aluminum Super Bullet Tweeter PRO-TWX1B


• (1) DS18 EXL-P800X4 4 Channel Full Range Korean Amplifier

DS18 PRO-84XA Details:

SPECIFICATIONS (Per Speaker):

• Nominal Diameter: 8"


• Nominal Impedance: 4 Ohms


• RMS Power Handling: 275W


• MAX Power Handling: 550W


• Sensitivity (1w/1m): 97.8dB


• Frequency Response: 60Hz-8KHz


• Recommended HI Pass Crossover: 80Hz


• Pair or Single: Single

MOTOR Per Speaker:

• Voice Coil Diameter: 1.5"


• Voice Coil Former Material: Kapton


• Winding Material: CCAW


• Cone Material: Paper


• Dust cap Material: Paper


• Surround Material: Cloth


• Basket Material:Steel


• Basket Color:Glossy Black


• Magnet Material: Ferrite


• Magnet Weight: 33oz

MEASUREMENTS Per Speaker

• Overall Diameter: 8.25 inches


• Overall Depth: 3.45 inches


• Front Mount Baffle Cutout: 7.25 inches


• Mounting Depth: 3.2 inches


• Motor Diameter: 4.7 inches

THIELE & SMALL PARAMETERS Per Speaker

• Equivalent Volume (Vas): 18.37L / 0.64ft3


• Excursion (one way) (Xmax): 2.5mm


• Free Air Resonance (Fs): 82Hz


• Mechanical Factor (Qms): 10.34


• Electrical Factor (Qes): 0.63


• Total Factor (Qts): 0.6


• Mechanical Mass (Mms): 13.39g


• Mechanical Compliance (Cms): 0.28mm/N


• BL Factor / Factor BL (BL): 6.44


• Voice Coil Inductance (Le): 0.584mH


• Cone Area (Sd): 213.82cm2


• DC Resistance (Re): 3.82ohms

DS-PRO-TWX1B Details:

SPECIFICATIONS (Per Speaker):

• Nominal Impedance: 4 Ohms


• 60W RMS


• 120W MAX


• Sensitivity (1W/1W): 103 dB


• Frequency Response: 3.5K-20kHz


• Voice Coil Diameter: 1"


• Diaphragm Material: Aluminum


• Magnet Material: Ferrite


• Body Material: Aluminum


• Recommended Hi Pass Crossover: 2kHz

Dimensions (Per Speaker):

• Overall Diameter: 3.78 inches


• Overall Depth: 1.78 inches


• Front Mount Baffle Cutout: 2.76 inches


• Mounting Depth: 1.57 inches

DS18 4 Channel Korean Amplifier Class A/B Full Range w/ Bass Knob EXL-P800X4:

• RMS Power @ 4 Ohm: 150W x 4CH


• RMS Power @ 2 Ohm: 200W x 4CH


• RMS Power @ 4 Ohm Bridge : 400W x 2CH


• Frequency Response: 20Hz-20KHz


• Signal/Noise Ratio: Greater than 98dB


• Efficiency @4 Ohm: Greater than 63%


• Damping Factor: 140


• THD%: Greater than 0.10%


• Low Level Input Range: 200MV-6V


• Selectable X-Over: Yes, HPF/FULL/LPF


• X-Over Filter Range: 50Hz-2KHz


• Bass Boost Range: 0-+9dB


• Bass Boost Frequency: 30Hz-60Hz


• Infrasonic Filter: No


• Phase Selector: 0-180


• Class: AB (Analog)


• Amplifier Type: Stereo Full - Range


• Channels: 4 CH


• Minimum Impedance: 2 Ohm/CH (4 Ohm Bridge)


• Led Indicator: PWR / CLIP / PROTECT


• Power Input Size: 4 AWG


• Fuse Rating: 120A


• Remote Level Control: Yes - Dash Mount


• Cooling Fan: Yes


• Thermal Protection: Yes > 97C / 206F


• Over-Load Protection: Yes


• Dc Output Protection: Yes


• Short Circuit Output Protection: Yes


• Voltage Input Protection: Yes, greater than 15.5V


• Clipping Protection: Yes


• Body Color/Finish: Black Aluminum

DS18 4 Channel Korean Amplifier Class A/B Full Range w/ Bass Knob EXL-P800X4:

• Length: 11.5 inches


• Width: 8.77 inches


• Height: 2.67 inches


• Heatsink Length: 9.84 inches